Loading... Please wait...

Need Help?

Shop by Category

Our Newsletter


Sort by:

6L6GC / KT66 / 5881

help.pngTube Basics and FAQ

help.pngGrading Preamp Tubes

help.pngVacuum Tube Warranty & Return Policy

help.pngBurn in and Matching Power Tubes

help.pngCryogenic Treating

help.pngTube Testing Equipment

help.pngTube Hunting Trips Around the World

help.pngWhy We Don't Sell Certain Brands
  • Gold Lion KT66
    $47.95 Choose Options Gold Lion KT66
    Gold Lion KT66 - Russian re-issue of the legendary Genalex. This one get's Uncle Kevy's seal of approval. Built to the highest standards and is very reliable. Great substitite for the 6L6GC, but consult your amp's...
  • SED "Winged C" 6L6GC
    $39.95 SED "Winged C" 6L6GC
    SED "Winged C" 6L6GC - This is a great tube. The industry has given it it's blessing as working well, sounding nothing short of excellent, and good life. Can be used in many 5881 positions, as long as they are not hot...
  • Shuguang KT66
    $29.95 Shuguang KT66
    Shuguang KT66 Genalex Copy - This is a super tube, and looks a lot like the legendary Genalex. This one gets Uncle Kevy's seal of approval: It sounds incredible... very close to the original, can be used in a variety of...
  • Sovtek 5881
    $20.95 Sovtek 5881
    Sovtek 5881 - The workhorse of the 5881 family. This is most commonly used 5881 on the market today. If you have a 5881-based amplifier, chances are this was the tube that came stock. It has solid, military-spec build...
  • Tung-Sol 5881
    $25.95 Choose Options Tung-Sol 5881
    Tung-Sol 5881 - New production tube made by New Sensor in the Reflektor factory in Russia. Gotta 5881 amp and you're sick of using the same old Sovteks? Folks are really getting into this current production homage to the ...
  • Tung-Sol 6L6GC-STR
    $28.95 Tung-Sol 6L6GC-STR
    Tung-Sol 6L6GC-STR - New production tube made by New Sensor in the Reflektor factory in Russia. Perfect drop-in replacement for any 6L6GC amplifier. They're very well-built, and sound great with a little more midrange...